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Python if…elif…else Statement. The if...else statement is used to execute a block of code among two alternatives. However, if we need to make a choice between more than two alternatives, we use the if...elif...else statement. Syntax. if condition1: # code block 1 elif condition2: # code block 2 else: # code block 3. Here,
If you want the conditional expression to be evaluated first, you need to surround it with grouping parentheses. In the next example, (x if x > y else y) is evaluated first. The result is y, which is 40, so z is assigned 1 + 40 + 2 = 43:
3 de mar. de 2022 · Let’s look at an example. # else statement x = 3 y = 10 if x > y: print("x is greater than y.") else: print("x is smaller than y.") x is smaller than y. Output: x is smaller than y. Here, Python first executes the if condition and checks if it’s True.
7 de mar. de 2023 · Here's an example of how to use an if-else statement to check if a number is positive or negative: num = -5 if num > 0: print("The number is positive.") else: print("The number is negative.") Output: The number is negative. In this example, we use an if-else statement to check if num is greater than 0.
1 de jul. de 2022 · The general syntax for an if else statement in Python is the following: if condition: #run this code if condition is True code statement(s) else: # if the condition above is False run this code code statement(s) What Is An Example Of An if else Statement in Python? Let’s revisit the example from earlier on:
22 de mar. de 2022 · Example: if 10<20: print("True, statement inside 'if'") print("Still inside if") print("Statement outside 'if'") Output: Example of if statement. If-else statement in Python. What if we want to do something in case the if statement is false? We can do this by adding an additional else block.
In plain English, an if/else statement reads as: “if this condition is true, execute the following code. Else run the other code”. So what we get is ‘if this, else that’-behaviour in Python. The else block is a catch-all statement. It executes for any possible scenario that wasn’t matched by the if clause.
